Hawaii Five-O (1968)

S06E12 Anybody Can Build A Bomb

When a nuclear scientist finds himself at the center of a blackmail scheme, the stakes escalate as a ruthless gang threatens to detonate a miniature nuclear device in Honolulu. With time running out, he must navigate the dangerous world of criminals while trying to prevent a catastrophic disaster that could devastate the city. As he races against the clock, he must rely on his intellect and resourcefulness to outsmart the gang and protect countless lives.